Rikka, Chiyo, Sekine and Tsubasa seem like regular middle-school girls, but they all have their own secrets.
Class 2-B
Air Band
Luft-Band
Banda invisible de la clase 2-B
Banda invisible de la clase 2-B
Classe 2-B
Banda Aérea
Духовой 
оркестр
 8 «Б»